diff --git a/src/66/66-enable.c b/src/66/66-enable.c
index 91e03ee38c18097a4d3811752474c476dda99e49..cf2d00731218f5b62b2990e63a503d0428f4212b 100644
--- a/src/66/66-enable.c
+++ b/src/66/66-enable.c
@@ -26,6 +26,11 @@ int main(int argc, char const *const *argv,char const *const *envp)
     info.help = help_enable ;
     info.usage = usage_enable ;
 
+    /** The tree can be define by the frontend service file
+     * with the field @intree. So, avoid to crash at call of
+     * the tree_sethome() function. */
+    info.skip_opt_tree = 1 ;
+
     return ssexec_main(argc,argv,envp,&ssexec_enable,&info) ;
 }